336
CDUS41 KLWX 010521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT THU AUG 01 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 31 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 97 4:09 PM 98 1999 88 9 85
MINIMUM 73 6:56 AM 50 1997 67 6 63
AVERAGE 85 77 8 74
PRECIPITATION (IN)
YESTERDAY T 1.87 1978 0.13 -0.13 0.09
MONTH TO DATE 2.66 4.15 -1.49 5.09
SINCE JUN 1 3.35 8.45 -5.10 7.39
SINCE JAN 1 20.65 25.69 -5.04 17.37
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 5
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 12 8 9
MONTH TO DATE 499 378 121 473
SINCE JUN 1 853 616 237 655
SINCE JAN 1 1036 722 314 729
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 39 3:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 100 1980
MINIMUM TEMPERATURE (F) 67 54 1997
SUNRISE AND SUNSET
AUGUST 1 2024........SUNRISE 6:11 AM EDT SUNSET 8:20 PM EDT
AUGUST 2 2024........SUNRISE 6:12 AM EDT SUNSET 8:19 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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